“通常情况下，除了超晶格活跃区域，量子级联激光器设计只有一个高能态，”论文第一作者藤田一惠（Kazuue Fujita）在电子邮件采访中告诉PhysOrg.com。
“Usually, quantum cascade laser designs have only one upper state, except for superlattice active region, ” Kazuue Fujita, the lead author on the paper, tells PhysOrg.com in an email interview.
本文利用散射矩阵和传输矩阵等方法研究了半导体异质结量子阱和一维光晶格体系中的量子输运特性，为设计和实现具有优良性能的量子过滤器件提供理论依据。
Our arm is to explore the physical mechanisms of the effects, and to supply physical models and make theoretical validity in designing novel quantum filtering devices with better properties.
这些研究结果对设计菱形晶格结构的光子晶体光学集成器件具有重要的指导意义。
These results would provide theoretical instruction for designing optical integrated devices using photonic crystal with a rhombus lattice.
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